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/ECS Fargate container running ASP.NET image not garbage collecting/

ECS Fargate container running ASP.NET image not garbage collecting

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I have an ECS Fargate task running an ASP.NET image and I have noticed that it keeps failing due to OOM exception. I can look in CloudWatch and the memory keeps increasing. When I run in a local docker container, I can see that the garbage collector is running correctly and there is no memory problem. I have seen people suggest to set Server GC to false, but I'm not sure if that is the problem. From what I have read this should have been fixed in previous versions (I am using asp.net 5). Is this expected and is the correct approach to set this to false?

1 Answers
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I will suggest to consider fine tuning web.config https://docs.microsoft.com/en-us/aspnet/core/host-and-deploy/iis/web-config?view=aspnetcore-5.0

You may want considering hands-on help by partners to dig into issue.

answered 24 days ago
  • That is where I have seen the ability to turn off server garbage collection. Do you know if this is a known issue?

  • no, there is no known issue. However, if there are dangling references, GC has no way to cleanup. I'll suggest to look into code. Profiling may help

  • I mentioned that this is not been in a local docker container. GC works just fine, which is what is leading me to think it's an ECS issue or at least difference

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